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222102133220 = 2251138343431
BaseRepresentation
bin1100111011011001010…
…0011001100111100100
3210020021200100101102002
43032312110121213210
512114331121230340
6250010551304432
722021616661122
oct3166624314744
9706250311362
10222102133220
1186213956000
123706567b118
1317c37380906
14aa6d64a912
155b9da29715
hex33b65199e4

222102133220 has 48 divisors (see below), whose sum is σ = 513020946816. Its totient is φ = 80764402400.

The previous prime is 222102133213. The next prime is 222102133223. The reversal of 222102133220 is 22331201222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 222102133192 and 222102133201.

It is not an unprimeable number, because it can be changed into a prime (222102133223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4145096 + ... + 4198335.

It is an arithmetic number, because the mean of its divisors is an integer number (10687936392).

Almost surely, 2222102133220 is an apocalyptic number.

222102133220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222102133220 is an abundant number, since it is smaller than the sum of its proper divisors (290918813596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222102133220 is a wasteful number, since it uses less digits than its factorization.

222102133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8343473 (or 8343449 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222102133220 its reverse (22331201222), we get a palindrome (244433334442).

The spelling of 222102133220 in words is "two hundred twenty-two billion, one hundred two million, one hundred thirty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 484 605 1210 1331 2420 2662 5324 6655 13310 26620 8343431 16686862 33373724 41717155 83434310 91777741 166868620 183555482 367110964 458888705 917777410 1009555151 1835554820 2019110302 4038220604 5047775755 10095551510 11105106661 20191103020 22210213322 44420426644 55525533305 111051066610 222102133220